B29K2105/0005

UV And High Energy Visible Absorbing Ophthalmic Lenses

An ophthalmic lens operable to protect the eye from harmful ultraviolet and high energy visible wavelengths of light and methods for producing the same.

Liquid polymer sprayed sheet with fused layers and variable ratio of polymers droplets and entrapped bubbles
20170355168 · 2017-12-14 ·

A sheet is provided, the sheet including at least two polymeric layers including a bottom layer and a top layer, wherein the at least two polymeric layers are sprayed, wherein the at least two polymeric layers are seamlessly fused across the entire area of the sheet, creating a seamless, one piece sheet, and wherein at least one polymeric layer of the sheet contains gas bubbles. An article including the sheet is also provided.

SELF-RECYCLABLE BARRIER PACKAGING

A multi-layer structure comprising: a) at least one layer comprising a polyolefin component comprising i) 60 to 94 weight percent of a first component selected from the group consisting of ethylene homopolymer, ethylene copolymer, polypropylene homopolymer, polypropylene copolymer, and combinations thereof ii) 0-35 weight percent of a functional polymer component, and iii) 1-35 weight percent of a compatibilizer component comprising an anhydride and/or carboxylic acid functionalized ethylene/alpha-olefin interpolymer having a melt viscosity (177° C.) less than, or equal to, 200,000 cP and a density from 0.855 to 0.94 g/cc; b) at least one tie layer comprising maleic-anhydride grafted polymer with a melt index of less than 50 dg/min, wherein the tie layer does not contain the compatibilizer component; and c) at least one polar layer comprising a polar polymer, is disclosed.

POLYMER COMPOSITION COMPRISING BASIC ADDITIVE, PROCESS AND ARTICLES COMPRISING SAID POLYMER COMPOSITION
20170342598 · 2017-11-30 · ·

The present invention relates to polymer compositions comprising at least one basic additive, and processes comprising at least one process step to obtain the polymer composition or articles comprising the polymer composition. The polymer composition generally displays an enhanced biodegradability.

Heat-resistant food container and its manufacturing method

This invention provides a food container which can be manufactured cheaply by using inexpensive general PET resin or further inexpensive PET resin for fiber or recovered PET flakes, and nevertheless, which has a high heat resistance up to 250° C., and the container is obtained by adding a chain extender and a compatibilizer and talc to PET resin, charging the mixture into an extruder 30 having two or more vent holes, degassing under a condition where the PET resin is melted with heating by sucking at a high vacuum of −99.99 kPa or lower from the vent holes 33, 34, thereafter, forming a sheet by extrusion molding, pressure-forming with vacuum the sheet by a thermoforming machine, forming the container by keeping in a mold at 100-220° C. The container has a total of the content of crystal portion represented by the following formula and the content of talc being 25% by weight or more.

High gloss high density polyethylene containers

The present invention is directed to a process for making a low coefficient of friction (COF) high gloss polyolefin bottle by the following: a) adding a high gloss metallocene polyethylene during a manufacturing process on the outer layer of a container; b) adding a slip agent on the outer layer of the container wherein the container has a gloss range greater than 60 gloss units with a coefficient of friction of less than 0.25.

GRIP SURFACES

Provided among other things is a method of forming a composite glove with a grip texture, comprising: (a) providing a coagulant-coated support layer that is a fabric layer or a polymeric layer; (b) dip applying to the support layer a foamed polymer dispersion comprising about 0.5% to about 2.0% by weight hygroscopic agent; (c) allowing a portion of the applied foamed polymer dispersion to coagulate based the coagulant diffusing from the support layer to form a partially coagulated foam layer; (d) washing the partially coagulated foam layer to remove uncoagulated polymer to form a coagulated foam layer; and (e) vulcanizing the coagulated foam layer to form a vulcanized open foam layer laminated to the support.

Polyamide resin composition for extrusion molded products exposed to high-pressure hydrogen, and extrusion molded product

A polyamide resin composition for an extrusion-molded article exposed to high-pressure hydrogen gas contains: 70 to 99 parts by weight of a polyamide 6 resin (A); 1 to 30 parts by weight of an impact modifier (B); and 0.005 to 1 parts by weight of a metal halide (C) with respect to a total of 100 parts by weight of the polyamide 6 resin (A) and the impact modifier (B). The polyamide resin composition has a melt tension of 20 mN or more when measured at 260° C. and a take-up speed at strand break of 30 m/min or more when measured at 260° C.

Foams based on thermoplastic elastomers

A bead foam is made of thermoplastic polyurethane, a styrene polymer, and an impact modifier. Moldings can be produced from the bead foam and processes for the production of the bead foams and moldings can be utilized. The moldings can be used for shoe intermediate soles, shoe insoles, shoe combisoles, cushioning elements for shoes, bicycle saddles, bicycle tires, damping elements, cushioning, mattresses, underlays, grips, protective films, in components in the automobile-interior sector or automobile-exterior sector, balls and sports equipment, or as floorcovering.

LEAD CASING FOR PENCIL, AND PENCIL THEREOF FOR WRITING, DRAWING, MARKING, PLOTTING, AND COLORING
20220055397 · 2022-02-24 ·

There is a lead casing for pencil for writing, drawing, marking, plotting, and/or coloring, made of a composition having, by weight relative to the total weight of the lead casing for pencil: a) from 50 to 95% of a mixture of polylactic acid and bio-polyethylene in a weight ratio polylactic acid/bio-polyethylene ranging from 60/40 to 90/10, and b) from 5 to 40% of vegetable fillers chosen in the group consisting of wood fibers.

There is a pencil including the lead casing for the pencil of the disclosure for writing, drawing, marking, plotting, and/or coloring as well as a method for manufacturing such a pencil.